| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1074.22 | USD | 20251206 |
| Shandong Aite Chem | China national standards | MT | 975.28 | USD | 20251205 |
| Henan Kaixiang Chem | China national standards | MT | 1074.22 | USD | 20251205 |
| Wuhan Hengjiu Chem | China national standards | MT | 1074.22 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 1074.22 | USD | 20251205 |
| Wuhan Hengjiu Chem | China national standards | MT | 1109.56 | USD | 20251205 |
| Shandong Fusheng | China national standards | MT | 1109.56 | USD | 20251205 |
| Shandong Yaoming Chem | China national standards | MT | 961.14 | USD | 20251205 |
| Wuhan Hengjiu Chem | China national standards | MT | 1074.22 | USD | 20251205 |
| Shandong Aite Chem | China national standards | MT | 989.41 | USD | 20251205 |